1.Must I go there?--No,you__.2.Why _you_with me?3.When are you going to finish _the story?
题目
1.Must I go there?--No,you__.2.Why _you_with me?3.When are you going to finish _the story?
1.A.mustn't B.needn't C.can't D.may not
2.A.don't,come B.do come c.aren't,come d.are,going to come
3.a.tell b.telling c.tells d.to tell
答案
B A B
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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